Film-feeding mechanism for motion-picture cameras and the like



- Patented May 30, 1922.l

y I 4SHEETS--SHEETT- 1 LWNNL.. EN

S HOWELL. FILM FEEDING MECHANISM FOR MOTION PICTURE CAIVIEHAS AND THE LIKE.

` APPLICATION FILED OCT. II, I9I9. 1,417,524.

A. s. HOWELL. .y FILM FE EDING MECHA NISIVI FORl MOTION PICTURE CAMERAS AND THE LIKE. APPLICATION FILL-:D ocT. 1|, 1919. 1,417,524.

Patented May 30, 1922.

4 SHEETS-SHEET 2.

4 A. S. HOWELL. FILM FEEDING MECHANISM FOR MOTIONPICTURECAIVIEBAS AND TH'ELIKE.

' APPLICATIONHLED ocT.11,1919.

1,41'7,524, I Patented Mayo; 1922,.

4 SHEETS-SHEET 3.

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A. S. HOWELL.

HLM FEEDING MEcHANlsA/l FOR MOTION'PICTURE CAMERAS AND THE LIKE. APPLICATION FILED 0CT.1|,1919.

1,417,524. Patnted MAA-60,1922'.

4 SHEETS-SHEET 4.

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` To all whom t may concer/n one rare atleti? rif ALBERT HOWELL, OF CHICAGO, ILLINOIS, ASSIGNOR TO BELL AND lI-IOELT.' COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

FILM-FEEDING MECHANISM FON MOTION-PICTUR CAMERAS AND THE LIKE.

- `Specification of Letters Patent. Patented lay 30, 1922.

Original application led -April 28V, 1919, Serial No, 293,249. vDivided and, this application filed October 11, 1919. Serial No. 330,032.

Be it known that I, ALBERT S. HOWELL, a citizen ofthe United States, residing at Chi-y cago, in the county of Cook and State of Illinois, have invented a certain new and useful lmprovem'entin `Fi1m-F eeding Mechanism for Motion-Picture Cameras and the like, of which the following is a full, clear, concise, and eXact description, reference being had tothe accompanying drawings, forming apart of this'speciiication.

My invention relates to ilm feeding mechanism for motion picture cameras and the like.

' The features of the present invention 're- ,Y late to al construction, combination and arrangement of lm feeding mechanism whereby the same may be designed Very compactly with a` relatively small-numberof operating parts of ample size and strength, which is easily machined and assembled, whichhas thel driving part-s enclosed, and which is adapted to an enclosed film maga-v zine type'o'f camera' of convenient dimensions with a view toward accessibility, ease of operation and manipulation, and which is particularly adapted tov the enclosed lilm magazine type camera described and claimed .iniU. S. application, Serial No. 293,249,

' inmo'tion picture cameras and tripods of tiled Iby me April 28, 1919, for improvement which' the present application is a-division.

The' abovefeaturesand certain other featureshereinafter appearing are embodied inthe preferred fform of my invention hereinafter fullyv described and illustrated in i the accompanying drawings, and are effected by certain novel constructions, combinations and arrangements of partsparticuf larly pointed out in the claims.

'In the said drawings Fig. 1 is a sectional view inside elevation of a motion picture camera embodying vthe features of my invention in their preferred form, this View being taken substantially on the line 1..-1'of, Fig. 3 described b'elow.V

` Fig.l 2 is a sectional view in-plan elevation 'of the same substantially on the line 2-2lof Fig. 1 with carta-in of the parts in diiferent positions as hereinafter described. Figv'lis a sectional view in front elevationgof the' same, substantially on the line 3-3 ofFig.-1.

Figure 4 is an enlarged fragmentary sec-v position of their cycleof line 64-6 ofF ig. 4.

'y tion on theline 1-1 of Fig 3 showing the 55 Like characters ofreference indicate like parts in the various views.

The casingl of the camera is. formed of a central frame and a `closure 3 fitted to theY central frame on either side thereof to form an enclosure thereabout, the central frame forming the central portion 4 of therear wall of the camera and the center rearward portions of the upper and lower walls of the 'camera while the closures 3 form the front wall and complete'th'e'rear, top and bottom4 walls." The rear wall portions of the closures' 43 are pivoted to the rear wall portion of the central framelby means of hinges 7 and K are secured in closed position upon the cen- -tral frame' 2 by screws 12. The meeting edges of the frame 2 and closures 3 .are stepped correspondingly, and the meeting edges lof the front wall -portions of the closures 3 are provided `with op'positely disposed semi-circular concave portions formt ing a circular opening in the enclosure when the closures are in closed position. Mounted 85' 7 in this opening is a bush 20 secured to one of thelclosures and a .camera lens 23 of usual 'construction is vcarriedwithin the v.bore thereof in a manner fully described and claimed in U. S. application, Serial No. 330,144, tiled by me Qet. 11, 1919,"for improvement' in Camera Lens- Mounts, divided from the aforementioned*application.

As above described the centraL frame 2 is provided with a central rear'wal-L portion 4 and upper and lower wall portions, and .eX- A--f--w tending horizontally from the rear wall portion 4 is a tubular formation 24 spaced from the upper 'and lower wall `portions of the central frame and terminating at its front 10o end in an enlargement in which thel bore of the formation isenlarged as indicated at 25,

the front end of this formation being supported by ribs 26 arid 27 -respectively eX- the central frame and the formation and the lower wall portion of the. central .frame and 'tendingbetween the upper wall portion of 105 the formation'.l Mounted for rotation onbear- 'l ings 28 within the bore of this formation isa horizontal shaft 3 0, and aiii'xed to the front end of this shaft within the enlarged .bore 25 is a -gear 31. The front end of the` .supplementalframe is bored yertically, as

indicated at 34, and has a,horizontal face at its upper. end. See Figs. 1 and 2. Secured to this' face ofthe supplementalframe by means'of headed screws 35 is an exten-sion;

lframe36'having a turned extension 37 at `its lofwer end projectingvdownwardly into the upper end'of the bore 34 and engaging the sides thereof. to center the extension frame Awith said bore." The extension frame V36 is provided withV a verticalbore 38 smaller thanbore 34 and disposed concentrically thereto, and the bore 34 is restricted `at the .lower end of theframe 32 to form a small,

bore 39 disposedconcentri'cally to said bore 34. Extendin through'bores 34, 38, and

-39 is a-.vertica y disposed shaft 40 which'is mounted on a bearing' 41 `disposed adjacent eaclfi end' of the shaft and supported respecf tively in'bores`38 and 39.

Secured upon the shaft. 40 by means of set s ,crews 43, screw-threaded into it and engaging respective conical depressions formed in the shaft, is a cam cylinder 44. The

` lower endof this cam cylinder forrnsa drum cana having a cam groove and the extreme upper end ofthis cam cylinder forms i a face cam disposed coaxially with the drum r ca-m groove 45 and .havinga cam groove 46 The front side of the supplemental frame 32 is faced in avertical plane and secured to this face by headed screws 47, see Fig. 3,v in

' parallel spaced relation and extending vertically -is a pair of slides'48 having vertical grooves facing each other. A Uv-shaped shuttle 49, having the legs =of the U-shape thereof extending upwardly,l is disposed between which extends inwardlytoward shaft 40. through a vertical slot- 51 in the supplethese slides and has its side edges engaging respective of 'said groovesto'form a slide mounting for' the shuttle. Mounted on vthe shuttle at the transverse portion o f the U- shape at the lower end-thereof and disposed midway between the slides 48 is` a stud 5() mental frame 32,'and mounted for rotation on the inner end of this stud is a roller 52 which is engaged with the cam groove 45 of the drum cam whereby the shuttle is recipsof rocated in a vertical path parallel to the axis of the cams as the cams are rotated.

The lower end of the turned extension 37 of the .extension'frame 36 is disposed some distance above the upper end of the cam cylinder, `and secured on the Vbottom of said vrearbroad side secured vto said lugs by imam extension v3'? and extending in' a forward and rearward' direction isa second pair of slides 53 having lhorizontal grooves disposed normal tothe-plane .ofsaid shuttle and disfi posed in parallel spaced relation facing each other.; The"slides 53 are disposed on either side of the. shaft 40,' and Aa slideblock 54,9v having an aperture-55 through which kshaft-. 1 40 passes, see'Fig 2, lhas its side edges engaging respective of said -grooves to' forn i a 75 slide mounting for the slide block. A downwardly extending stud247 is secured to the slide block just forward of the aperture 55, and mounted onthi'sstud is a roller 248 whichis engaged# in the cam groove46 whereby the' slide block is reciprocated in ahorizontal path normal to the vpath of the shuttle 49. The slide'block extends forwardly through an. openingin the supplemental frame and the front .end thereof is provided with two spaced downwardlyiextending vlugs 56 disposed one at each side of vthe slide block. Disposed just in front of the shuttle. is a register leaf 57 which has its headed screws58. This register leaf has one f complete broad side, the rear lof which is secured to lugs 56, and has vparallel edges 59,

. the edges that are parallel to the path of the shuttle 49, upst'anding therefrom to form 95 edge guides for the film, and retaining pol.'-

tions 60' extending from said-edges toward. each other in spaced relation with said complete broad side and spaced from each other throughout the entire length ofthe leaf to leave the center portion of thisside open whereby a film' may be inserted in the register leaf. therethrough by bending theilm lengthwise to permit the side edges' thereof to pass through said opening. .This register leafis fully described andl claimed in the aforementioned U. S. application Serial No.v 293,249, filed by me April 28, 1919.

Formed on the supplemental-frame 32 and extending-to one side and in front thereof isapairof supports 62 disposed in vertilcalspaced relation with each other. "A bush 63 is 'fitted to `each support at the outer end thereof. These bushes' are disposed coaxially. on a vertical axis and the upper bush has-an upwardly facing conical surface and the lower bush has a downwardly facing conical surface, which dreceive respective conical ends of adjustable bearing screws 64 screw threaded into respective wings 65, disposed respectively above and below 'the supports 62, of a shutter frame'66whereby the shutter frame is pivotally Vmounted for limited swinging movement upon the supplemental frame 32, which shutter frame, when closed, see Fig. 1, lies transversely just in frontv of register leaf 57, and which, when open, see Fig` 2, 4lies longitudinally to ,one side of said register 'leaf to allow the film to be inserted into the register leaf as above 130 shape of `the shuttle 49 as designated at 674 allows vertical reciproca-l movements thereof without interference with slide block 54 or the support 96 hereinafter described, and

mounted, one on each "side, of the shuttle, lat the free Iends of the legs thereof 'are two horizontally spaced' shuttle pins 68 projecting forwardly therefrom. Vhen'the register leaf is positioned in its rear position, see I `that in the mechanlsm hereirl shown the oper- Figs. 4 and 6 these shuttle pins project through respective vertical slots 69 formed in the rear side of the register leaf and en-.

. gage the usual sideJ perforations in a film held in theregister leaf and move the same downwardly with the downward movement of the shuttle. Mounted on the rear side/of the shuttleframe and projecting rearwardly therefrom and disposed below the lowest position of the shuttle pins 68 is a pair of stationary pilot pins 7() which are spaced in a horizontal plane and adapted, when the shutter frame is in closed position, see Fig. 1,.v

and the register leaf is in its forwardposition', to project through respective apertures 71 formed in the retaining portions 60 and the rear side of the register leaf `to insure the film remaining stationary while the shuttle pins lare not in engagementV with perforations thereof. In the operation of this step by step mechanism the movements ofthe shuttle take pl/ ace in the following order by reason of the timed relation of the cam grooves 45 and 46 which actuate the shuttle 49 and register leaf 57 in reciprocal paths `normal to each other as hereinbefore described. Starting in the cycle of operation as shown in Figs 1, 2 and 3 ofthe drawings, wherethe shuttle is at the lower end of its stroke, the register leaf is in its forward'position to hold the film in engagement with the stationary pilot pins 70 projecting through apertures 71 to-engage the film and hold it stationary. As the cam cylinder 44 turns, in a counter-clockwise direction7 see the arrow in -Fig..2. the cam 'groove 45,

' acting through means hereinbefore described.

moves `the shuttle upwardly, perforations of the film being disengaged from t-lieshuttle pins 68 during thismovement by reason of the fact that the register 'leaf 57 is held in its 4forward position with the film thereinvforward of the path of said shuttle pins, perforations of the lm being engaged with stationary pilot pins 70 when in this position. Then the shuttle reaches thel upper end of its movement the cam groove 46, acting through means hereinbefore described, moves the register leaf 57 rearwardly to disengage perforations of the film from sta-` tionary pilot pins 70 and to engage perforations of the film with shuttle pins 68,' see Figs. 4 and 6. After perforations of the .1912, concerns avstep by step movement of this general character, but' it will be noted ating parts are very strong and durable, the arrangement -1s very compact, a great portion of the parts are enclosed, and that the device is particularly adapted to an enclosed film magazine typeca'mera. 4

The shutter frame 66 is provided'with a spacing studv 72 see F ig. 2-extending from the rear surface thereof to engage the front face of the adjacent slide- 48 when the shutter frame is in closedposition to position thesame. The shutter frame is maintainedin' its closed position with stud 72 engaging ythe front face of the adjacent slide by means of a hook latch lever 73 pivote-d on a vertically disposed pin 74 mountedon the `shutter frame and disposed within ahorizontal slotl 75 formed in the shutter frame. This latch lever extends forwardly and rearwardly of the pin 74 and has a hook 76 -facing forwardly when the shutter frame is in closed position, which hook engages the rear surface of the adjacent slide 48', at a point where the supplemental frame 32 is cut away, as designated at 77, see vFig. 2, when the shutter frame is'in closed position to maintain the stud 72 in-engagement with said adjacent slide 48. A coiled compression spring 78 is disposed in a horizontal bore .of the shutterframe in front of the pin 74 ther-ef, see Fig2, pailleltwith ssh'ait 30 and/alongside. and communicating with bce"" of the frame 32 .and enlarged bore 25. Disposed within this bore and supported therein on bearings 80 in parallelism to shaft 3() is a shaft 81. .Formed on the rear end of this shaft and meshing with gear 31 is a. gear 82. The cam cylinder has spiral gearv teeth 88 formed thereonV which mesh withA same, and a horizontal'bore 79A is formed n a spiral gear 84 fixed'ly mounted on shaft 81 between bearings 80 whereby the cam cylin-v axis of the'shutter frame vis so disposed with relation to these gears 87. and 88 that-these gears are always in meshregardless of the pivotal position of the shutter frame,'see

`Fig. 2. Vhen the shutter frame is in closed position all of the teeth of each of these gears are intermeshed. Y

' It is necessary thatthe shutter shaft 85 make one revolution to each revolution of the cam cylinder 44. The intermeshing spiral gear teeth 83 and spiral gear 84 permit of this without enlarging the mechanism,

either by multiplying the parts or separating the present parts to an inconvenient and possibly impractical degree. It will be noted that the pitch diameter of gear 84 is smaller..

than the pitch diameter of spiral gear teeth 83 whose sizev is controlled by the size of the .cam cylinder 44. Therefore, to effect the ypresent compact arrangement the spiral gear 84 has the same number `of teeth as there are spiral gear teeth 83 and the angle of the -gearteeth 83 with relation to the axis of the cam cylinder is greater than the angle of the teeth of spiral gear 84 with relation to ythe axis of shaft 81, Vin the present'case this the arrow in Fig. 2. The angles'of spiral 'angle of spiral'gear teeth 83 being 57 o and the angle of the teeth of spiral gear 8 4 being 330v t In the driving train above described, when pictures are beingtaken, the shaft 30 rotates in a clock-wise direction looking forward, as

indicated by the arrow in Fig. 1, and the shaft 81 rotates oppositely, as indicated by gear teeth 83 and spiral gear 84 are so disposed that the shaft 40 and cam cylinder 44 rotate in a counter-clockwise direction as before described. The shutter shaft 85 rotates in the same direction as does the shaft 81 by reason of the connection therebetween as hereinbefore described.

The shutter frame 66'has afforwardly facing enlarged bore 89 formed therein concentric with shutter'shaft 85, and has a coverv 90 secured to the front end thereof enclosing this bore. Mounted on the shutter shaft within this bore is a shutter 91 .of the usual adjustable aperture type, the adjustment knob 92 of which extends through a concentric aperture 93 formed in the Vcover 90. See

. Fig. 2.

offset rearwardly in front register the film in the register leafand the. surrounding edge of this aperture is extended rearwardly to' lie within the retaining por- `tions 60 of the register leaf to prefss the film in the register leaf againstfthe .forward face .of the rear broad side of the register leaf when the register leaf is in its forward position. The cover 90 has an' aperture 95 in alinement with the aperture 94 with relation to lens 23, and light is transmitted through both of these apertures'upon the film when the shutter isin exposing position to"`ex pose t-he flmpin the register leaf. y

Secured upon-the extension frame 36 is a support 96 extending verticallyifdownwardly therefrom between lugs 56 of slide block 54, and rearwardly of register leaf 57, the slide block being cut away rearwardly between said lugs as indicated at 9T, to clear this support in. all` positions of the slide block. A roller 98 mounted for rotation 'on this support on a horizontal transverse axis is disposed above and below theregister leaf, and these rollers aredisposed to engage the center of the film when theregister leaf is in its rearward position,see Fig. 4, and hold the same forwardly laway from the rear broad side-of the register leaf when the shuttle is moving the film downwardly in the register leafv to prevent scratching of the film by the register leaf. The cutaway portion .67 of the shuttle is n formed to clear this support in all positions of the shuttle.

The lower end of the supplemental frame 32 has a transverse horizontal bore 99 formed therein communicating with the lower end of the hereinbefore described bore 39 thereof. The upper end of the extension frame 36 has a transverse horizontal bore 100 formed therein communicating with the upper end of the hereinbefore described bore 38 thereof. Supported for rotation-in 'each of these bores on two spaced bearings 101 is a film sprocket shaft 102 which 1s disposed normal to the shaft 40. See Figs. 1 and 3.` These shafts areA disposed transversely lof the camera and extend outwardly from their respective-frames on opposite sides of shaft 40, the-upper's'haft 102 extending to the right from shaft 40 above the step by step mechanism and the lower shaft.

102 extending to the left from shaft 40 below the step by step'mechanism. 'See Fig. 3. A bevel gear' pinion 103 is formed at each end of the .shaft 40, and each of these pinions meshes with a b evel gear 104 fixed upon the adjacent shaft 102A and disposed between the respective bearings 101. These' .bevel gear 4connections are so arranged that the shafts 102 'rotate in the same direction, counter-clockwise in Fig. 1. A film sprocket 105' is fixedon the extending ends of. each shaft 102 in theusual'manner, and in the l operation of the machine the film passes over the upper lfilm sprocket 105 in front of-which itmakes va downward spiral right Vhandloop5after which .it passes downwardly .through register'leaf 57; and below this makes a second right hand loop and passes under the lower film sprocket 1'05 as indicated vby the'dOt'aIId'daSh line 106 in Fig. 1. Thus the driving and supporting arrangement lof the film sprockets 105 with relationto'tfhe Step by step mechanism provides Va V very simple-,strong andcompact me'chanism, the operating parts of whichy may be'y easily enclosed, and are in the form shown, and which is particularly-adapted to an enclosed film magazine type camera.

Disposed one on each side of the tubular formation 24 of frame2 and shaft 30 at the rear of respective lilm sprockets 105 and disposed in Vparallelism with each other is a pair of film magazines 108 the axes of which are-coaxial. The axes ofthesefilm magazines are disposed in parallelism with said film 4sprockets and are coaxial with atransverse tubular formation 109 disposed abovefthe tubular formation 24 and shaft 30 and normal thereto. Screw-threaded into each end-of the tubular formation 109 'ise a bearing cup 110, the inner ends ofwhich form oppositely disposed ball races. These bearing 'cups are boredv concentri'cally, and supported concentricallyl thereof for rotation thereon, by balls 111 engaging respective of said oppositely disposedfraces,

formed at vthe inner endsafof the Abearing cups, and engagingv respe.dti"fe^l oppositely disposed ball races formed'threon is a gear sleeve 1.12 having spiral. gear teeth 113 formed on the periphery' thereof between the cups 110 whereby'the gearv sleeve is driven by means hereinafter described. The inner walls of the" film magazines lhave circular ribs 114 formed onthe outer faces` thereof -concentric with the axes vthereof which fit intov the bores of the respectivev bearing cups 110 to center the 'magazines `uponthe frame 2V coaxially with gear sleeve'v 112.-v` These outer faces of the magazinesv .lengagefthe outer faces of the respective bearing cups 110 and in addition engage,v

v.faces ofrespectiv'e extensions 115 and 116 extending laterallyV respectively vfromqribs Y, 26 andv 27 from respective sides faced' in the plane of the outer surface of the respec- ,tive bearing .cup 110. The shape of the magazines in a plane normal to their axis is defined by three quarters of a circle and two oppositely yextending tangents thereofl '-,Ineeting atan angle o f 90, see Fig. 41. The

jfnagazines are disposed in the camera so 'that one tangential side portion `of each magazine is disposed vertically and faces the respective lm sprocket. The extensions 116 are disposed adjacent the vertical side of the respective magazine` and are provided with studs 117 extending laterally.

from the surface thereof and engaging transverse holes formed in the adjacent wall of the respective 'magazines to cooperate withthe respective circular ribs 114 to locate the magazines on the frame 2. See Figs'. 1 andv 2. The extensions `'115 and 116 and bearingcup 110 of each magazine are separated from each other but form asurface to which the respective magazinev detachably secured.

' Each iilm magazine 108 is provided with a shaft-124, see F ig 2, which is disposedV in axial alinement with/gear sleeve 112 and mounted for rotation in". a concentrically boredhub125 within the enclosure of the magazine and formed on the inner wall thereof. The inner end of each shaft 124 has an enlarged lclutch portion126 forming .a shoulder engagingthe inner face of the coiled compression spring 12.8 is disposed within this enclosure and abuts the inner wall of'the respectivev magazine and a friction yring 129, encircling the shaft 124 between hub 125 andarbor 127, with its opposite ends to retain the shoulder of the enlarged lclutch -portion 126 in engagement with the inner face ofJ the inner wall of the magazine and to provide alight frictional resistance against rotation of shaft 124. finding reels 130, upon which the film 1s wound, are mounted on respective arbors 127 and are driven therefrom by radial pins '13.1,` secured in the-.winding reels; engaging respective-longitudinal slots 132- formed in the peripheries of the arbors and extending to the outer ends of the arbors to permit the removal of the winding reels therefrom.l

The usual covers 133 form the outer walls of 'the film magazines and are screw-threaded the-reto to permit access to the interior of the magazines.l

The shafts 124 and the gear sleeve 112 are disposed in axial alinement, the shaftsbeing disposed at opposite ends of the gear sleeve. The gear sleeve is 'bored concentrically throughout its length and a clutch sleeve 134 is mounted'th'erein for rotation and for longitudinal movement therein. The I clutch sleeve is provided with a. short spirally disposed slot 135 engaged. by an inwardly extending radially. disposed stud 136 mounted on the gear sleeve whereby a driving connection is established between these sleeves provided to allow limited rotatory and longitudinal movement of thecliitch sleeve with relation to the gear sleeve. The clutch portions`126 of the shafts 124 a re provided with inwardly facing backed off radially disposed clutch teeth, and the ends of the` clutch sleeve are with corresponding backed off radially disposed clutch teeth adapted to engage the clutch teeth of the ladjacent clutch portion 126 to establish a driving connectio-n in one direction with the respective These clutch teethv are arranged soc shaft. that the clutch sleeve will drive the respective-shafts 124 in opposite directions and will drive one or the other shaft 124- depending upon the direction of rotation of the clutch sleeve.v As the direction of rotation of the gear sleeve is reversed stud'13`6 acting in` spiral slot 135 moves the clutch sleeve -longitudinally' to engage the 'clutch teeth at the opposite end thereof with the clutch teeth of the other clutch portion to drive the' same gear.

` metal and in-a direction opposite that in which the other clutch portion was driven before said reversal. The spiral gear teeth 113 of'gear sleeve 112 mesh with a spiral gear 137 r@- tatably mounted on sleeve 138 fixed upon the shaft-30. The forward end ofthe sleeve l138 movement on shaft 30, this plate being secured to said lshaft with relation to rotation I thereon by a radially disposed stud 246 secured on the shaft and engaging a longitudinal slot formed 'in the bore of this plate. An adjusting collar 143 is'screw-threaded upon shaft 30 rearwardly of these plates and spacedtherefrom. A coiled compression spring 144 encircles the shaft 30 between' the clutch plates and collar 143 and i abuts the rearward plate and the collar with its opposite ends to complete a frictional,

' drive between the shaft 30 and gear 137.

The adjusting'collar A143 is 'maintained in adjusted position on shaft 3'0 by a set screw `145 screw-threaded into said collar' andengaging the shaft 3'0. The mechanism just described constitutes ,a frictionally driven take-up mechanism' and needs no further description except to statevthat the take-up mechanism is adapted to drive the shaft 124 of the left handvfilm inaga'zine, in 3, in a. direction', clockwise in Fig. 1'., tov Wind film is mounted for longitudinal fed thereto from lower film sprocket 105 when the operating parts are actuated'in a forward direction to take pictures as hereinabove described, and that it is adapted to drivev the shaft 124 of the right hand film magazine, in Fig. 3, in a direction7 counterclockwise in Fig. 1, to wind film fed thereto from upper film sprocket 105 when the operating parts are actuated in a reverse direction as isdesirable attimesin the-operation of the machine. i

The vertically portion of each film magazine 108 is provided with a film opening. 146, which film openings are disposed in alinement with the lrespective film sprockets 105, see Fig. 3. A film guide device 147 is provided for each film sprocket and serves, when in closed position, to maintain the film in engagement-` with the respective film sprocket and toguide'the film-to and' from the respective film opening 146.' These film guide devices are mounted upon extensions ofthe suppleses'l disposed tangential side.

mental frames 32 and 36 respectively and requirevno further description for the present purposes,"` and are fully described and claimed in. cation, Serial No. 293,249, filed by me April 28, 1919. v

Fromthe above descriptionit will be noted that a film feeding mechanism lis provided which is very compact and is composed of a relatively small number of parts of ample size! and strength, and'which isl well adapted to an enclosed magazine type cam- .,era of convenient dimensions, particularly of the characteristics described. It will be further noted that the film path is comparatively short and that the film moving mechai'iism guides thefilm properly and does not require-'additional Aguide means.` In addithe aforementioned U. S. applition the driving mechanism is well adapted tobe enclosed, and the formation of the supporting frames dispense with difficult ma chining and assembling operations' although lthe driving partsare enclosed thereby.

The shutter'device herein described as relatingto the support and drive thereof and its relation to the film feeding mechanism,.

herein described and claimed, is fully described and claimed in U. lS. application Serial ,No 330,143, filed by me Oct. 11,1919,

for improvement in actuating mechanism for motion picture cameras and the like, di- -vided from the aforementioned U. S.' application, Serial No. 293,249, filedby me April 28, 1919.

vvWhile I have herein-described and shown the preferred embodiment of .my yinvention I do not wish to be` lim ited to the precise details of construction show-n as changes may readily be made without departing from ythe spirit of my invention, but having thus described my invention I claim asnew and desire to lowing Lawaai.

l. A device of the nature described includ- 'ing' a pair of film magazines arranged in parallel spaced relation, a rotatably mounted drivingshaft disposed between said film magazines in parallelism therewith, aspur gear aflixed to said shaft to rotate therewithv and disposed outwardlyof said magazines, step by step mechanism including rotatably mounted coaxial cams disposed on the side of said gear opposite said magazines in front of the adjacent end of-said shaft on an axis normal thereto and parallel -with said magazines, and a gear' driving connection between said gear and said cams disposed outwardly of said magazines and including a second spur gear meshing with said' rst mentioned gear and spiralgearinof. 3

2. A .device of the nature described including a pair of film magazinesarranged in parallel spaced relation; a rotatably mounted driving shaft disposed between said Vfilm magazines in parallelism therewith; a

relatively large gear affixed to said shaft to rotate therewith and disposed outwardly of said magazines; step by step mechanism including rotatably mounted coaxial cams disposed on the side of said gear-opposite saidf' magazines in front of 'the adjacent end of'y said shaft; and a gear driving connection between said gear and said cams disposed outwardly of said'magazines including a relatively small gear meshing withsaid first mentioned gear and a gear'driving connection between said second mentioned gear and said cams. l

' 3. A device of the nature described includingV a frame forming anienclosure, a pair of vrotatably mounted cams within said enclosure connected to be rotated in unison, film engaging means without the enclosure adapted to be operated to ladvance the film step by step, a slide block mounted for reciprocating movement within theenclosure and extending within t-lie enclosure from the exterior of the frame and operatively connected with said film engaging means, an operativeconnection between said film en' gaging means and ne'of said cams, said frame being cut away for said operative connection and said slide block, anda second operative connection withinl said enclosure between said slide block and said other cam. 4. A device' of the nature described including a frame forming an enclosure, al

drum cam rotatively mounted withinv said enclosure, a face cam within said enclosure and disposed coaxiallyV and connected to be driven in unison with said drum cam, film engaging .elements without the enclosure adapted to vbe operated to advance the film step by step, a slide block mounted for reciprocating movement at right angles, At

the axis ofvsaid cams, andV extending within the enclosure over the grooved face ofsaid facecam' from the exterior of the frame and operatively connected withA one of said film engaging elements to move the same therewith, an operative connection between anlother/'of saidl film engaging elements and said drum cam, said frame being cut away for'said operative connection and said slide block, andan operative` connection within said enclosure between said slide block and said face cam.`

5. A device of the nature described including'a frame forming anenclosure open enclosure and disposed 'coaxially and connected to be driven in unison with said drum cam and disposed between tlie drumi cam andthe open end of said enclosure and liaving the cam face thereof facing the open end of/saidenclosureaa second frame element detachably secured on said frame and closing said open end of the enclosure, a shuttle mounted for reciprocating movement parallel to the axis ofsaid cams exyteriorly of said enclosure, a slide block adapted for reciprocating movement at right angles to the axis of said cams and the plane offmovement of said shuttle and extending within said enclosure from the exterior of said first mentioned frame and over the groove face of said face cam, a slide mounting on said second mentioned frame supporting s'aid slide block for its said movement within said enclosure, an-operative conneci tion between said shuttle and said drumA cam, sa'id first mentioned frame being cut away for said operative connection and said slide block,'a i'egisterleaf mounted on said slide blpck/exteriorlyof said Y first mentioned frame and shuttle, an operative connection between said slideblock andV said face cam within said enclosurearidsllilttle pins mounted onsaid shuttle and adapted"`to-en gage perfora'tions of a film within theregister leaf when said slide Yblock is at one end of its reciprocal movement.

6. A device of the nature described in- ,tion disposed exteriorlyof the periphery of the4 cams and in parallelism with the shuttle andv extending toward the transverse por- 7.' A- device'of the naturev described .in-

. cluding. a J U-shaped shuttle'm'ounted for re,-

` ciprocal movement longitudinally of the legs tle, a register leaf -mounted block and. disposed onthe side ofsaid shutofthe U-shapesthereof,' a slide mounting for said shuttle, a slide block mounted for' reclprocating movement-"in a planefperpen-V f dicular to the plane of the shuttle and dis. posed adjacent the open end ofthe shutt1e,.. a slide mountingfor said slide block dis'- posed on 'oneside 'of the plane of said shutk n said slide tle 'op site that' on which 'said' secondmentionedE-lide mounting lies and disposed in a. planmparallel With said shuttle, means for efecti g reciprocating" movement of said shuttlyr and slide block in cooperating relation. 'including an operative"connection said shuttle at With//the shuttle at thetransverse portion' of the -U-shape thereof, shuttle pinson.- the Afree ends of the legs of the U-shape thereof adapted to engage perforations of a film'within said register .leaf

when theslide'blOk is attljrelend of its movement in which position-the? register leaf is nearest-.adjacent the plane ofthe shuttle,

and anti-friction means extending -intothe opening'of the U-shape of said shuttle on the slideblock side of said register leaf and adapted to engage'the ilm bevond .the end of said 'register leaf.' nearest adjacent the l 'transverse portion of. the shuttleand '-to maintain the lmsin spaced 'relation from'l theadjacent side .of `the register leafvvhen theregister vleaf is-in.'said shuttle pin en gaging position.

8. .A device of'the nature described including arrelatively large rotatablymounted spur gear,jst ep by. step' mechanism including a rotatably mounted camcylindegprovided Withvjspaced camdisposed .opposite one side of -sai'd gear onfam aXis normal fthereto, and a driging connection between said gear? and said- 'ca-mrcylr icpderincluding a relativel'yfsmall-spur gear isposed onf an axis.' extending alongside said `cam cylinder and.mesh1ng with said| first mentioned gear and a spiral .gear connection between said second mentioned gear and said cam' cyllnder including spiral gear mental frame.

12. A device `ofthe nature described including a frame forming an enclosure.v openv teeth onvsaid cam disposed between' said cam grooves.4 9.' A device of the character described lncluding a frame provided with a horizontal bore; a shaft rotatably mounted in said bore,l said bore being enlarged at one end; a gear disposed within said enlarged end of said bore and affixed to 'said shaft; a .su'pplemental frame secured -to. said first -mentioned Vframe at lthe `enlarged bore end thereof and enclosing said enlarged bore, said supplemental-frame being bored g' step by step? mechanism including .coaxial cams rotatably mounted in the bore `of said suplemetal frame -(man axis disposed normal .:tef 's'a`id1shaft; and arotatory connection be! tvv'een: said gear and said cams .including a secondsgear meshing with said irst nien- I i tioned gear, and spiral gearing.

-j 1Q. A. device .ofthe character-described including a framel providedwith a horizontali-bore; ashaftrotatablyv mounted in said bore, said bore being enlarged at one end; a gear disposed Within A,said enlarged end of said bore and aflixedto said shaft;` a' supplemental frame secured to said rst mentioned frame -at the enlarged bore-.end thereof andi enclosingv said enlarged bore, said supplemental -framgbeing bored; step Vby step mechanism inuding coaxial -camsmotatably mounted in 'the bone of said supplemental .fr-ame on `an axis disposed normal to said shaft; asecond shaft rotatably mounted in said supplemental in .arallelism -with said Erst mentioned sha t; a gear affixed to said second shaft; and aspiral -gear connection between. said camsand said-second shaft.

11. A .device of the nature cluding a frame provided with a herizontal bore enlarged at one end, a shaft 'rotatably mounted in said bore, a spur gear disposed Within the enlarged'end of said bore "and securedto said shaft, asupplemental frame encloslng said large bore end thereof, said secured to -said first mentioned frame auf.'

frame on an. axis'disposed deearibed in. 10'5 supplemental yframe forming an enclosure communicating with -said enlarged bore portion of fsaidfrst mentioned frame, step byst@ mechanism including rotatably mounted coaxial cams disposed Within the encl'osure of said-second mentioned frame on an axis. normal to sald Afirst mentloned shaft,

and a gear'connection between-said irstmentioned gear and said cams including a' spur gear meshing with said r'st mentloned gear first "mentioned frame and'spira'l gearing disosd Within the enclosure of said lsuppleat onev end, step by step mechanism including coaxial cams disposed Within said en'- closureon an axissubstantially perpendicu- Within' the ,enlargedv bore portion .of said 'l tioned frame and having a bore therein disposed c'oaxially with said cams and communicating `with 'the enclosure of-said first mentioned frame and having a secondv bore l cluding a frame forming an enclosure open disposed transversely of the first mentioned bore thereof, a rotatably mounted shaft disposed coaxially with said cams and lextending within said enclosure and the-.first men- A tioned bore of said second frame and secured withsaid cams, aA second shaftl disposed transversely of said shaft and extending within the second mentioned bore. of said second mentioned frame from the exterior thereof and rotatably mounted thereln, a film sprocket secured on said second sha-ft exteriorly` of said second frames, and a gear.

connection betweenA said first and second mentioned shafts withinl the enclosure of said second mentioned frame.

13. A device of the nature described including` a frame forming an enclosure open at one end, step lby step mechanism including a coaxially bored cam cylinder disposed within said enclosure on an axis substan tiall'y perpendicular to the plane of said open end, a second frame'detachably secured to said first mentioned frame and having a bore therein disposed coaxially with said cam cylinder and communicating with the enclosure of said first mentioned frame and having a second bore disposed transversely of the first mentionedbore thereof and communicating with the same, a shaft carrying said cam cylinder and extending through the bore of the same and secured therewith, a.

bearing for said shaft at the end of the enclosure of said rst mentioned frame opposite the open end thereof, a second bearing for said shaft in said second frame, a shaft disposed transversely of said shaft and extending within the second mentioned borel of said second mentioned frame from the exterior thereof and rotatably mounted therelex'teriorly of said frames.

in, a film sprocket securedon said second shaft exteriorly of -said frames, and a gear:

connection between said first and second mentioned shafts within the enclosure of said second mentioned frame.

14. A device of the nature described inat one end and having a transverseV bore at the opposite end communicatingy with said enclosure, step by step mechanism including a' Coaxially. bored cam cylinder disposed within said enclosurel on an axis substantially perpendicular to the plane of. said open end, a second frame detachably secured to said first mentioned frame and having a bore;` therein disposed coaxiallywith said cam cylinder and communicating with the inclosure of said firstmentioned framev and havinga second bore disposed transversely ofthe other bore thereof and communicating with the same, a shaft carrying said cam cylinder and extending through the bore of the same and-secureditherewith,` a bearingl for said shaft in said first men-- vtioned frame adjacent the transverse bore In testimony whereof, I hereunto aflix my `signature this ninth day of October, A. D.,

1919; y s s ALBERT s'.H owi'3LL. 

